Harm reduction saves lives

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes only the existing community-reported ranges for oral and intravenous morphine. It is not medical dosing advice, and the routes are not interchangeable. Tolerance, a break from use, formulation, health, and other depressants can change the risk substantially.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table shows only the existing community-reported ranges for oxycodone and the listed routes. It is not a prescription and does not automatically apply to OxyContin or any other specific formulation. A tablet marked OxyContin confirms neither its contents nor strength outside a secure medicine supply chain.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes PsychonautWiki’s user-reported ranges for oral codeine. It is not medical dosing advice or a safety limit. Conversion of codeine into morphine varies between people, and Parkódín and Parkódín forte also contain paracetamol, which can cause severe liver injury in overdose.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes PsychonautWiki’s user-reported ranges for oral tramadol. It is not medical dosing advice or a safety limit. Seizures have occurred during ordinary medical use, and the risk rises with larger amounts, other medicines that lower the seizure threshold, and serotonergic substances.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes only the existing community-reported ranges for alprazolam. It is not medical dosing advice and must not be used to convert to diazepam or another benzodiazepine. Opioids, alcohol, and other depressants increase the risk of respiratory depression, coma, and death.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes only the existing community-reported ranges for oral diazepam. It is not medical dosing advice and must not be used to convert to alprazolam or another benzodiazepine. Opioids, alcohol, and other depressants increase the risk of respiratory depression, coma, and death.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: Ethanol is shown in WHO alcohol units, where 1 unit equals 10 g of pure ethanol. Drink type, speed, food, physical condition, medicines, and tolerance change the effects, and no amount is risk-free.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates GHB measured in grams from GBL measured in millilitres. The substances and units are not interchangeable, and a liquid of unknown concentration makes the figures unusable.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes only the existing community-reported ranges for pregabalin. It is not medical dosing advice and does not apply to gabapentin. An individual prescription, kidney function, and other medicines change the risk; opioids and other depressants can increase the risk of respiratory depression.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes PsychonautWiki’s user-reported ranges for oral zopiclone. It is not medical dosing advice or a safety limit. Imovane contains zopiclone and should only be taken as prescribed to you. Tolerance, dependence, and withdrawal can occur with repeated use.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table republishes PsychonautWiki’s user-reported ranges for oral zolpidem. It is not medical dosing advice or a safety limit. Stilnoct contains zolpidem and should only be taken as prescribed to you. Tolerance, dependence, and withdrawal can occur with repeated use.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table applies only to verified amphetamine and the listed routes. It does not apply to methamphetamine or street powder of unknown purity.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates smoked, oral, intranasal, and intravenous use of verified cocaine. A serious cardiac or neurological event can occur at amounts below those shown in the table and without warning.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table applies only to verified 4-MMC, also called mephedrone, and separates oral from intranasal use. It does not apply to 3-MMC or to synthetic cathinones as a class.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates smoked, swallowed, and buccal nicotine according to the source. The amount shown on a pouch, liquid, or package is not necessarily equal to the absorbed dose.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates oral and intranasal methylphenidate according to the source. Immediate-release and extended-release formulations are not interchangeable.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The guidelines apply only to verified oral MDMA. A tablet, colour, or crystals confirm neither contents nor amount, and repeated dosing can cause the concentration to accumulate before the earlier dose has peaked.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table applies only to verified LSD used sublingually and measured in micrograms. The strength of blotter paper or drops is rarely verified, and NBOMe, NBOH, or other substances may be sold as LSD.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table applies to pure oral psilocybin, not grams of mushrooms. Do not convert the ranges into mushroom weight because potency varies greatly and wild mushrooms can be misidentified.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates four routes of administration for verified 2C-B. It does not apply at all to NBOMe, NBOH, DOB, or unknown powder sold under the same name.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates smoked or vaporised DMT from intravenous DMT. It does not apply to ayahuasca, changa, or other mixtures containing MAO inhibitors.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table applies only to pure oral mescaline. It must not be converted directly into a weight of cacti or plants with variable and unverified potency.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates oral and intranasal ketamine. It does not apply to esketamine medicines, other routes, mixtures, or powder of unknown purity.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: PsychonautWiki classifies inhaled gas by grams, but the amount says nothing about oxygen supply, equipment, or the speed of repetition. It is therefore not a safety limit.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table applies only to oral dextromethorphan on its own. Combination cough and cold products may contain paracetamol, antihistamines, or other medicines that become life-threatening at much lower amounts.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates smoked, oral, and intranasal PCP. Mislabelled products, unknown potency, and mixtures can make every amount meaningless.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: The table separates the amount of THC smoked from the amount taken orally. It does not apply to the weight of flower, hash, homemade edibles, or a product with unverified contents.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: There is no usable low, moderate, or high dose amount. Different cannabinoids vary enormously in potency, and the substance may be distributed unevenly through a liquid or herbal mixture.

These community-reported reference ranges come from PsychonautWiki and, where stated, TripSit. They are not necessarily pharmacologically or medically validated, do not identify a safe dose and are not a recommendation to use.

“Heavy” means a very large, high-risk amount, not a target. Serious harm, hospital admission or death can occur at much lower amounts. Strength, contents, route, tolerance, health, medicines and mixing can change the effects.

The cards reproduce every level shown by the named source. If a product contains an unknown or mislabelled substance, every dose figure may be irrelevant.

For this substance: A low or safe dose cannot be calculated for butane, petrol, glue, aerosols, or solvents. Concentration, ventilation, temperature, and chemical composition change the risk.